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Finding the Fourth Proportional to 248,693.85, 343,354.29 and 176,250.39

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Solution

The fourth proportional to 248,693.85, 343,354.29 and 176,250.39 is: 243,336.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,693.85 : 343,354.29 = 176,250.39 : x
  2. Step 2: Convert to fraction form
    248,693.85/343,354.29 = 176,250.39/x
  3. Step 3: Cross multiply
    248,693.85x = 343,354.29 × 176,250.39
  4. Step 4: Simplify right side
    248,693.85x = 60,516,327,520.67
  5. Step 5: Solve for x
    x = 60,516,327,520.67/248,693.85
  6. Step 6: Final answer
    x = 243,336.65

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.